
/*
  获取当前时间
 */
function formatTime(date) {
  var year = date.getFullYear()
  var month = date.getMonth() + 1
  var day = date.getDate()

  return [year, month, day].map(formatNumber).join('-')
  // var hour = date.getHours()
  // var minute = date.getMinutes()
  // var second = date.getSeconds()

  // return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

function formatNumber(n) {
  n = n.toString()
  return n[1] ? n : '0' + n
}



/** 
 * 时间戳转化为年 月 日 时 分 秒 
 * number: 传入时间戳 
 * format：返回格式，支持自定义，但参数必须与formateArr里保持一致 
*/
function formatTimeTwo(number, format) {

  // var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
  var formateArr = ['Y', 'M', 'D'];
  var returnArr = [];

  var date = new Date(number * 1000);
  returnArr.push(date.getFullYear());
  returnArr.push(formatNumber(date.getMonth() + 1));
  returnArr.push(formatNumber(date.getDate()));

  // returnArr.push(formatNumber(date.getHours()));
  // returnArr.push(formatNumber(date.getMinutes()));
  // returnArr.push(formatNumber(date.getSeconds()));

  for (var i in returnArr) {
    format = format.replace(formateArr[i], returnArr[i]);
  }
  return format;
}

function formatTimeThree(number, format) {

  var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
  // var formateArr = ['Y', 'M', 'D'];
  var returnArr = [];

  var date = new Date(number * 1000);
  returnArr.push(date.getFullYear());
  returnArr.push(formatNumber(date.getMonth() + 1));
  returnArr.push(formatNumber(date.getDate()));

  returnArr.push(formatNumber(date.getHours()));
  returnArr.push(formatNumber(date.getMinutes()));
  returnArr.push(formatNumber(date.getSeconds()));

  for (var i in returnArr) {
    format = format.replace(formateArr[i], returnArr[i]);
  }
  return format;
}


function checkDateInfo(dateTime) {
  var olddate = new Date(dateTime);
  //olddate = olddate.getMilliseconds();
  console.log("old time = ", olddate);
  var result = 0;
  var month = 1000 * 60 * 60 * 24 * 30;//将ms转换成天
  var just = new Date().getTime();//获取当前时间，单位ms
  console.log("current time = ", just);
  var diff = just - olddate;
  console.log("diff = ", diff);
  if (diff <= 0) {
    return result;
  }
  var mm = diff / month;
  mm = mm.toFixed();//取整
  result = parseInt(mm);//转换类型
  console.log("result = ", result);
  return result;
}

// function DateDiff(sDate1, sDate2) {    //sDate1和sDate2是2006-12-18格式  
//   var aDate, oDate1, oDate2, iDays
//   aDate = sDate1.split("-")
//   oDate1 = new Date(aDate[0], aDate[1], aDate[2])    //转换为12-18-2006格式  
//   aDate = sDate2.split("-")
//   oDate2 = new Date(aDate[0], aDate[1], aDate[2])
//   iDays = parseInt(Math.abs(oDate1 - oDate2) / 1000 / 60 / 60 / 24)
//   return iDays
// }

module.exports = {
  formatTime: formatTime,
  formatTimeTwo: formatTimeTwo,
  formatTimeThree: formatTimeThree,
  checkDateInfo: checkDateInfo
}